1 |
P1 - Fedor and New Game |
Codeforces |
Codeforces Round #267 (Div. 2) |

2 |
P2 - Fence |
Codeforces |
Codeforces Round #211 (Div. 2) |

3 |
P3 - Registration System |
Codeforces |
Codeforces Beta Round #4 (Div. 2 Only) |

4 |
P4 - k-Multiple Free Set |
Codeforces |
Codeforces Round #168 (Div. 1) & Codeforces Round #168 (Div. 2) |

5 |
P5 - History |
Codeforces |
Codeforces Beta Round #98 (Div. 2) |

6 |
P6 - Points on Line |
Codeforces |
Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2) |

7 |
P7 - Lucky Numbers (easy) |
Codeforces |
Codeforces Beta Round #77 (Div. 2 Only) |

8 |
P8 - More Cowbell |
Codeforces |
Codeforces Round #334 (Div. 2) |

9 |
P9 - Ksenia and Pan Scales |
Codeforces |
Codeforces Round #224 (Div. 2) |

10 |
P10 - Longest Regular Bracket Sequence |
Codeforces |
Codeforces Beta Round #5 |